Air balloon motor for lego 3D for print


 Air balloon motor for lego  3d model for 3d printers

 Air balloon motor for lego  3d model for 3d printers
 Air balloon motor for lego  3d model for 3d printers Air balloon motor for lego  3d model for 3d printers Air balloon motor for lego  3d model for 3d printers
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Designer

Slava

3d model description

A simple 3-cylinder radial engine compatible with LEGO Technic.
Exploded view in 3d viewer: https://skfb.ly/6QL8R

Extra parts needed:
- Nitrile g...love
- Air balloon

Takes 4m of filament to print (about 5h at 20mm/s on my snail of a printer).
Will print a bit prettier with supports (80deg. overhang, touching buildplate) and ironing.
Parts with names starting with "X_" are optional.

You can insert one balloon into another to get thicker walls. Meant for 2-walled balloon. Idles well with one (with a flywheel), but will hardly pull any vehicle.
You can use metal M5 washer instead of printed one
Found that PLA isn't the best material for the design: isn't very slippery, and "fluid" (the clips stop pushing the parts together with time)



3d model print parameters

Printed well in PLA and PETG with 0.6 nozzle at 0.2 layer height....

Tags

Motor Engine Cylinder Piston Radial Air Compressed Compressed air Lego Technic Balloon Pneumatic Pneumatics Toys Toy Game

License

CC Atribution

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